Clues & word lengths at a glance
Stuck on a clue? Here you can check the number of letters, the first letter, or reveal the answer for each clue.
- 1 Across
A black hole has "no ___": just mass, spin and charge describe it
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HAIR - 1 Down
Event ___: boundary beyond which no return or outward signal is possible
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HORIZON - 2 Down
Particles of light that can circle a black hole in orbit
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PHOTONS - 3 Across
Region around a rotating black hole where nothing can stand still
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ERGOSPHERE - 4 Down
___ A*: supermassive black hole at the centre of our galaxy
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SAGITTARIUS - 5 Down
Gravitational ___: light stretched to longer wavelengths climbing out of gravity
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REDSHIFT - 6 Across
___ force: difference in pull across an object that can stretch and tear it
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TIDAL - 7 Across
Rotation of a black hole; with mass and charge it fully describes the hole
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SPIN - 8 Down
Name of the solution describing a rotating black hole
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KERR - 9 Across
It slows in strong gravity; clocks there tick slower than far away
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TIME - 10 Across
Physicist whose name the predicted faint thermal glow of black holes bears
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HAWKING - 11 Across
Accretion ___: flat, swirling sheet of hot gas that glows before falling in
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DISK